Write the balanced equation for the following chemical reactions.
(i) Hydrogen + Chlorine → Hydrogen chloride
(ii) Barium chloride + Aluminium sulphate → Barium sulphate + Aluminium chloride
(iii) Sodium + Water → Sodium hydroxide + Hydrogen
Answer:
(i) Hydrogen + Chlorine → Hydrogen chloride
H2 + Cl2 → 2HCl
(ii) Barium chloride + Aluminium sulphate → Barium sulphate + Aluminium chloride
3BaCl2 + Al2(SO4)3 → 3BaSO4 + 2AlCl3
(iii) Sodium + Water → Sodium hydroxide + Hydrogen
2Na + 2H2O → 2NaOH + H2